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Reflection AI Unveils Open-Weight Beam Model, Claims Cheaper Rival to Chinese Coding Systems

Oct 06, 2026
The Rundown AI
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Summary

Reflection AI unveils Beam, an open-weight coding and agent model it says matches Z.ai’s GLM-5.2 reasoning and coding performance with a fraction of the compute, with Apache 2.0-licensed weights due this month.

Key Points

  • Reflection AI introduces Beam, its first open-weight model for coding and agents, positioning it as a lower-cost, more efficient rival to Chinese open models.
  • Reflection says Beam matches Z.ai’s GLM-5.2 on reasoning and coding while using a fraction of the computing power, though Moonshot’s Kimi K3 leads it on raw capability.
  • Reflection plans to release Beam’s weights this month under an Apache 2.0 license and is testing private-chip "AI factories" with a hedge fund or government in South Korea.

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